/* ZHH AI Website Builder — global styles */
:root{
  --bg:#0b0b14; --bg-2:#11111d; --surface:#161628; --border:#232340;
  --text:#eef0ff; --muted:#9aa0c3;
  --brand-1:#7c5cff; --brand-2:#00d4ff; --accent:#ff5ca8;
  --grad: linear-gradient(135deg,var(--brand-1),var(--brand-2));
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --radius:16px;
}
[data-theme="light"]{
  --bg:#f7f8ff;--bg-2:#fff;--surface:#fff;--border:#e6e8f5;
  --text:#0e1030;--muted:#5a607e;--shadow:0 12px 40px rgba(20,20,60,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;font-weight:700;line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,5vw,4rem);letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3.2vw,2.6rem);letter-spacing:-.01em;text-align:center}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* NAV */
.nav{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;backdrop-filter:blur(16px);background:color-mix(in srgb,var(--bg) 75%,transparent);
  border-bottom:1px solid var(--border);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-family:'Space Grotesk'}
.logo{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;background:var(--grad);color:white;font-weight:800}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-links a{color:var(--muted);font-size:.95rem;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.menu-btn{display:none;background:none;border:0;color:var(--text);font-size:24px;cursor:pointer}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:12px;font-weight:600;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .2s,background .2s;font-family:inherit}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--grad);color:white;box-shadow:0 8px 24px rgba(124,92,255,.35)}
.btn-primary:hover{box-shadow:0 14px 36px rgba(124,92,255,.5)}
.btn-ghost{background:var(--surface);color:var(--text);border-color:var(--border)}
.btn.lg{padding:14px 26px;font-size:1.05rem;border-radius:14px}
.btn.sm{padding:6px 12px;font-size:.85rem}
.btn.block{width:100%;justify-content:center}

/* HERO */
.hero{position:relative;padding:90px 0 110px;overflow:hidden;text-align:center}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(60% 50% at 20% 20%,rgba(124,92,255,.35),transparent 60%),
  radial-gradient(50% 40% at 80% 30%,rgba(0,212,255,.28),transparent 60%),
  radial-gradient(40% 40% at 50% 100%,rgba(255,92,168,.22),transparent 60%);
  filter:blur(20px);z-index:0;animation:float 12s ease-in-out infinite}
.hero .container{position:relative;z-index:1}
.chip{display:inline-block;padding:6px 14px;border:1px solid var(--border);border-radius:999px;background:var(--surface);font-size:.85rem;color:var(--muted);margin-bottom:24px}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--muted);max-width:680px;margin:0 auto 32px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.trust{margin-top:34px;font-size:.85rem;color:var(--muted)}

@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}

/* Sections */
.section{padding:90px 0}
.section.alt{background:var(--bg-2)}
.sub{text-align:center;color:var(--muted);max-width:600px;margin:0 auto 48px}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{padding:28px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:transform .3s,border-color .3s}
.card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--brand-1) 50%,var(--border))}
.card .ico{font-size:32px;margin-bottom:14px}
.card h3{font-size:1.2rem;margin-bottom:8px}
.card p{color:var(--muted);margin:0;font-size:.95rem}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:40px}
.step{padding:32px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);position:relative}
.step span{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--grad);color:white;font-weight:700;margin-bottom:14px}
.step h3{font-size:1.2rem;margin-bottom:6px}
.step p{color:var(--muted);margin:0}

.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;max-width:980px;margin:0 auto}
.price-card{padding:32px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-align:center;position:relative}
.price-card.highlight{border-color:transparent;background:linear-gradient(var(--surface),var(--surface)) padding-box,var(--grad) border-box;border:2px solid transparent;transform:scale(1.03)}
.price-card .badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--grad);color:white;font-size:.75rem;padding:4px 12px;border-radius:999px;font-weight:600}
.price-card h3{font-size:1.3rem}
.price{font-size:2.6rem;font-weight:700;font-family:'Space Grotesk';margin:10px 0}
.price span{font-size:1rem;color:var(--muted);font-weight:400}
.price-card ul{list-style:none;padding:0;margin:0 0 24px;color:var(--muted)}
.price-card li{padding:6px 0;border-bottom:1px solid var(--border)}
.price-card li:last-child{border:0}

.cta-section{padding:90px 0;text-align:center;background:var(--bg-2)}

footer{padding:40px 0;border-top:1px solid var(--border);color:var(--muted);font-size:.9rem}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}
.foot-links{display:flex;gap:18px}

/* Reveal */
.reveal{opacity:0;transform:translateY(20px);transition:all .7s}
.reveal.in{opacity:1;transform:none}

@media (max-width:780px){
  .nav-links{display:none}
  .menu-btn{display:block}
  .nav-links.open{display:flex;position:absolute;top:64px;right:16px;left:16px;background:var(--surface);border:1px solid var(--border);border-radius:14px;flex-direction:column;padding:14px;gap:12px}
}

/* ===== BUILDER ===== */
.builder-body{min-height:100vh;display:flex;flex-direction:column}
.builder{flex:1;display:grid;grid-template-columns:380px 1fr;gap:0;height:calc(100vh - 64px)}
.panel{padding:28px;border-right:1px solid var(--border);background:var(--bg-2);overflow:auto}
.panel h2{font-size:1.3rem;text-align:left;margin-bottom:6px}
.muted{color:var(--muted);font-size:.9rem;margin-bottom:18px}
textarea,select,input{width:100%;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:12px;padding:12px 14px;font-family:inherit;font-size:.95rem;resize:vertical;outline:none;transition:border .2s}
textarea:focus,select:focus{border-color:var(--brand-1)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}
.status{margin-top:16px;padding:14px;background:var(--surface);border:1px solid var(--border);border-radius:12px;font-size:.88rem;color:var(--muted)}
.status .line{display:flex;align-items:center;gap:8px;padding:4px 0;opacity:0;animation:slide .4s forwards}
.status .line.done::before{content:"✓";color:#22c55e;font-weight:bold}
.status .line.cur::before{content:"⏳"}
@keyframes slide{from{opacity:0;transform:translateX(-8px)}to{opacity:1;transform:none}}
.actions{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}

.preview-wrap{display:flex;flex-direction:column;background:var(--bg)}
.preview-bar{height:46px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 16px;background:var(--bg-2)}
.dots{display:flex;gap:6px}
.dots i{width:10px;height:10px;border-radius:50%;background:#444;display:block}
.dots i:nth-child(1){background:#ff5f56}.dots i:nth-child(2){background:#ffbd2e}.dots i:nth-child(3){background:#27c93f}
.devices{display:flex;gap:4px;background:var(--surface);padding:3px;border-radius:8px;border:1px solid var(--border)}
.devices button{background:none;border:0;color:var(--muted);padding:4px 10px;border-radius:6px;cursor:pointer;font-size:.95rem}
.devices button.active{background:var(--grad);color:white}
.preview-area{flex:1;overflow:auto;padding:20px;display:flex;align-items:flex-start;justify-content:center;background:
  repeating-linear-gradient(45deg,transparent 0 12px,color-mix(in srgb,var(--border) 50%,transparent) 12px 13px)}
.preview-area iframe{width:100%;height:100%;min-height:600px;border:0;border-radius:12px;background:white;box-shadow:var(--shadow);transition:width .3s}
.preview-area.tablet iframe{max-width:768px}
.preview-area.mobile iframe{max-width:390px}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty-ico{font-size:48px;margin-bottom:14px;animation:float 4s ease-in-out infinite}
.code-view{width:100%;height:100%;background:#0d0d18;color:#c9d1e3;font-family:'JetBrains Mono',Menlo,monospace;font-size:.82rem;padding:20px;border-radius:12px;overflow:auto;white-space:pre-wrap;word-break:break-word}

@media (max-width:880px){
  .builder{grid-template-columns:1fr;height:auto}
  .panel{border-right:0;border-bottom:1px solid var(--border)}
  .preview-area{min-height:500px}
}